#182A52#182A52

#182A52 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.3% C 0.077 H 264.0°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#182A52
RGB	rgb(24, 42, 82)
HSL	hsl(221, 55%, 21%)
HSV	hsv(221, 71%, 32%)
CMYK	cmyk(70.7%, 48.8%, 0%, 67.8%)
CIE-LAB	lab(17.73, 7.67, -26.68)
CIE-LCH	lch(17.73, 27.76, 286.04°)
OKLab	oklab(29.34% -0.008 -0.0762)
OKLCH	oklch(29.34% 0.077 264)
XYZ	xyz(2.7271, 2.4591, 8.3119)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A52 #524018

analogous

#184752 #182A52 #231852

triadic

#182A52 #52182A #2A5218

tetradic

#182A52 #521847 #524018 #185223

square

#182A52 #521847 #524018 #185223

split-complementary

#182A52 #522318 #475218

monochromatic

#070C18 #0A1223 #182A52 #264281 #345AB1

Accessibility & contrast

On white

14.08

#182A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#182A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A52

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A52	#FFFFFF	#000000	##FFFFFF
##182A52	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172E54

Deuteranopia (green-blind)

#0D2951

Tritanopia (blue-blind)

#00333A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182a52;
/* rgb */ color: rgb(24, 42, 82);
/* oklch */ color: oklch(29.3% 0.077 264.0);

Tailwind

colors: {
  custom: {
    50: '#5c6383',
    500: '#182a52',
    950: '#000000',
  },
}

SCSS

$custom: #182a52;
$custom-light: #5c6383;
$custom-dark: #000000;

JSON

{
  "hex": "#182a52",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 82
  },
  "hsl": {
    "h": 221.379,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29339,
    "c": 0.07663,
    "h": 264
  },
  "luminance": 0.02459
}

Semantic roles & 50–950 ramp

primary

#182A52

secondary

#89713D

accent

#B04ADE

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050A

muted

#79797C

Preview Lab

Preview with #182A52

Body copy rendered with the generated semantic roles for this colour.

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